Table 4: Galaxies with the observed H II regions which are expected to not belong to the upper branch of the $R_{\rm 23}- {\rm O/H}$ diagram and the radius R^* where the oxygen abundance decreases to around $12 + \log~($ O/H) = 8.2.
Galaxy R^*/ $R_{\rm 25}$ Galaxy R^*/ $R_{\rm 25}$

NGC 300 0.8 NGC 4651 0.8

NGC 925
0.5 NGC 5033 0.5

NGC 1365
0.7 NGC 5457 0.6

NGC 2805
0.9 NGC 7793 0.6

NGC 3198
0.8 IC 342 0.7

**Table 4:** Galaxies with the observed H II regions which are expected to not belong to the upper branch of the $R_{\rm 23}- {\rm O/H}$ diagram and the radius R^* where the oxygen abundance decreases to around $12 + \log~($ O/H) = 8.2.
Galaxy	R^*/ $R_{\rm 25}$	Galaxy	R^*/ $R_{\rm 25}$
NGC 300	0.8	NGC 4651	0.8
NGC 925	0.5	NGC 5033	0.5
NGC 1365	0.7	NGC 5457	0.6
NGC 2805	0.9	NGC 7793	0.6
NGC 3198	0.8	IC 342	0.7

Source LaTeX | All tables | In the text